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EP0528268
European procedure
Extract from the Register of European Patents
EP About this file: EP0528268
| EP0528268 - Optically active esters of phenoxypropionic acid [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 21.11.1997 Database last updated on 03.09.2024 | Most recent event Tooltip | 21.11.1997 | No opposition filed within time limit | published on 07.01.1998 [1998/02] | Applicant(s) | For all designated states BASF Aktiengesellschaft Carl-Bosch-Strasse 38 67063 Ludwigshafen / DE | [N/P] |
| Former [1993/08] | For all designated states BASF Aktiengesellschaft Carl-Bosch-Strasse 38 D-67063 Ludwigshafen / DE | Inventor(s) | 01 /
Bach, Volker, Dr. Robert-Schuman-Strasse 8 W-6730 Neustadt / DE | 02 /
Brox, Wolfgang, Dr. Im Grund 13 W-6900 Heidelberg / DE | 03 /
Etzbach, Karl-Heinz, Dr. Carl-Bosch-Ring 55 W-6710 Frankenthal / DE | 04 /
Paul, Axel, Dr. Biedensandstrasse 52a W-6840 Lampertheim / DE | 05 /
Siemensmeyer, Karl, Dr. Ernst-Ludwig-Kirchner-Strasse 14 W-6710 Frankenthal / DE | [1993/08] | Application number, filing date | 92113314.6 | 05.08.1992 | [1993/08] | Priority number, date | DE19914126996 | 16.08.1991 Original published format: DE 4126996 | [1993/08] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0528268 | Date: | 24.02.1993 | Language: | DE | [1993/08] | Type: | A3 Search report | No.: | EP0528268 | Date: | 05.01.1994 | Language: | DE | [1994/01] | Type: | B1 Patent specification | No.: | EP0528268 | Date: | 08.01.1997 | Language: | DE | [1997/02] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 12.11.1993 | Classification | IPC: | C07C69/712, C09K19/06, C09K19/12, C07C69/94, C07C69/92, C09K19/58, C09K19/20, C09K19/04, C08G63/02, C08F20/30 | [1993/52] | CPC: |
C08G63/60 (EP,US);
C07C69/712 (EP,US);
C07C69/92 (EP,US);
C07C69/94 (EP,US);
C08F20/30 (EP,US);
C09K19/586 (EP,US)
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| Former IPC [1993/08] | C07C69/712, C09K19/06, C09K19/12, C07C69/94, C07C69/92 | Designated contracting states | CH, DE, FR, GB, IT, LI, NL [1993/08] | Title | German: | Optisch aktive Phenoxi-propionsäureester | [1993/08] | English: | Optically active esters of phenoxypropionic acid | [1993/08] | French: | Esters d'acide phenoxy propionique optiquement actifs | [1993/08] | Examination procedure | 11.02.1994 | Examination requested [1994/15] | 04.04.1995 | Despatch of a communication from the examining division (Time limit: M06) | 07.10.1995 | Reply to a communication from the examining division | 04.04.1996 | Despatch of communication of intention to grant (Approval: Yes) | 01.07.1996 | Communication of intention to grant the patent | 30.07.1996 | Fee for grant paid | 30.07.1996 | Fee for publishing/printing paid | Opposition(s) | 09.10.1997 | No opposition filed within time limit [1998/02] | Fees paid | Renewal fee | 18.08.1994 | Renewal fee patent year 03 | 11.08.1995 | Renewal fee patent year 04 | 21.08.1996 | Renewal fee patent year 05 |
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| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Documents cited: | Search | [Y]EP0219481 (LAGERWALL S T SARL [FR]) [Y] 1,13 * page 4, line 3 - page 6, line 1 * * claims 1,2 *; | [Y]EP0196070 (ASAHI GLASS CO LTD [JP]) [Y] 1,13 * page 4, line 3 - line 24 * * page 6, line 24 - page 7, line 5 *; | [Y]EP0331367 (SHOWA SHELL SEKIYU [JP]) [Y] 1,13 * page 1, line 5 - line 24 * * page 2, line 11 - page 4, line 31 * * examples 1-3 * | [A] - D.M.WALBA, "Design and synthesis of a new ferroelectric liquid crystal family. Liquid crystals containing a nonracemic 2-alkoxy-1-propoxy unit", JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, WASHINGTON, DC US, (19860820), vol. 108, no. 17, pages 5210 - 5221 [A] 1 * the whole document * |